CN105239187A - Ultraviolet-proof polyurethane compound fabric and preparation method thereof - Google Patents
Ultraviolet-proof polyurethane compound fabric and preparation method thereof Download PDFInfo
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- CN105239187A CN105239187A CN201510780623.XA CN201510780623A CN105239187A CN 105239187 A CN105239187 A CN 105239187A CN 201510780623 A CN201510780623 A CN 201510780623A CN 105239187 A CN105239187 A CN 105239187A
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Abstract
The invention relates to an ultraviolet-proof polyurethane compound fabric and a preparation method thereof and belongs to the technical field of organic macromolecular synthesis. The ultraviolet-proof polyurethane compound fabric is prepared from the following raw materials in parts by weigh: 50-70 parts of 4,4'-diphenylmethane diisocyanate, 50-60 parts of polyether polyol A, 25-30 parts of polyether polyol B, 15-25 parts of polyether polyol C, 3-5 parts of a chain extender, 60-80 parts of tetrahydrofuran and 40-60 parts of N,N-dimethylformamide. The preparation method comprises the following steps: firstly, preparing a pre-polymer; mixing the pre-polymer with the polyether polyol C and the chain extender to react to obtain a segmented copolymer; secondly, adding the segmented copolymer into a high-speed dissolving machine to obtain a spinning raw solution and preparing the spinning raw solution into covering yarns by using a spandex dry-process spinning system; and washing, drying, winding and weaving to obtain the ultraviolet-proof polyurethane compound fabric. The ultraviolet-proof polyurethane compound fabric has a relatively high ultraviolet shielding performance and good moisture absorption air permeability, and is safe and toxin-free to human bodies, and the preparation method is simple and easy to operate.
Description
Technical field
The present invention relates to a kind of antiultraviolet polyurethane composite material and preparation method thereof, belong to organic polymer synthesis technical field.
Background technology
Ultraviolet in solar spectrum can not only cause textiles to fade and brittle, and also can cause the sunburn of human body skin and aging, make skin produce melanin and color spot, more serious also can bring out canceration.Voiding due to Ozone in Atmosphere layer, the harm of ultraviolet to human health is increasing, has external scholarly forecast, after 15 years, cutaneum carcinoma will become one of three the highest large cancers of the incidence of disease, and ultraviolet radiation more and more causes the attention of countries in the world to the harm of human body.Therefore, be necessary to study a kind of radiation-resistant textiles.
Summary of the invention
The object of this invention is to provide a kind of antiultraviolet polyurethane composite material, there is higher ultraviolet screener performance and good sucting wet air permeability; The present invention provides its preparation method simultaneously.
Antiultraviolet polyurethane composite material of the present invention, be made up of the raw material of following parts by weight:
Wherein:
Polyether polyol A is relative molecular mass is 1000-3000, and degree of functionality is the Polyoxypropylene diol of 2, preferred DDL-2000, and manufacturer is that Zibo moral believes federal Chemical Co., Ltd.;
Polyether polyol B is relative molecular mass is 3500-4500, and degree of functionality is the PTMG of 1.5-2.5; Preferred PolyTHF2000, manufacturer is BASF AG;
Polyether polyol C is relative molecular mass is 100-350, and degree of functionality is the Polyoxypropylene diol of 2, preferred DDL-400, and manufacturer is that Zibo moral believes federal Chemical Co., Ltd..
Described chain extender is 1,6-hexylene glycol.
The preparation method of described antiultraviolet polyurethane composite material, comprises the following steps:
(1) polyether polyol A, polyether polyol B are joined in reactor and heat up, lower the temperature after vacuum dehydration, then add 4,4`-methyl diphenylene diisocyanate and react, obtain performed polymer;
(2) polyether polyol C is mixed rear intensification with chain extender, lower the temperature after vacuum dehydration, then mix with performed polymer and react, obtain block copolymer;
(3) oxolane, DMF and block copolymer are inserted in high speed dissolving machine simultaneously, under the effect of high shear, block copolymer is fully dissolved, obtains copolymer solution, after filtration, obtain spinning solution after deaeration;
(4) spinning solution polyurethane fiber dry spinning system is produced cladded yarn, after washing, drying, winding, obtain cladded yarn finished product, be then made into plain fabric, obtain antiultraviolet polyurethane composite material.
Wherein, preferred technical scheme is as follows:
In step (1), warming temperature is 100-120 DEG C, and the vacuum dehydration time is 2-2.5h; Cooling temperature is 30-50 DEG C.
In step (1), reaction temperature is 80-95 DEG C, and the reaction time is 3-3.5h.
In the performed polymer of step (1), the content of NCO is 2.0-4.0wt%.
In step (2), warming temperature is 100-110 DEG C, and the vacuum dehydration time is 1.5-2h; Cooling temperature is 30-50 DEG C.
In step (2), reaction temperature is 90-100 DEG C, and the reaction time is 0.5-1h.
In step (3), the concentration of copolymer solution is 25-35wt%.
Speed of spinning when producing cladded yarn in step (4) is 500-550m/min, and monofilament linear density is 6-9diex; The thread count of plain fabric is 520 × 280/10cm
2.
Beneficial effect of the present invention is as follows:
Polyurethane composite material of the present invention has higher ultraviolet screener performance and good sucting wet air permeability, nontoxic to human-body safety, non-stimulated without allergic reaction to skin, wash resistant; Its preparation method is simple, easy to operate.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
Antiultraviolet polyurethane composite material, be made up of the raw material of following parts by weight:
Preparation method is as follows:
(1) DDL-2000, PolyTHF2000 are joined in reactor, be warming up to 120 DEG C of final vacuum dehydration 2.5h, be then cooled to 50 DEG C, add 4 again, 4`-methyl diphenylene diisocyanate, reacts 3.5h at 95 DEG C, obtains the performed polymer that NCO content is 2.0wt%;
(2) be warming up to 110 DEG C after DDL-400 and 1,6-hexylene glycol being mixed, after vacuum dehydration 2.5h, be cooled to 50 DEG C, then mix with performed polymer and react, obtain block copolymer;
(3) by oxolane, N, dinethylformamide and block copolymer are inserted in high speed dissolving machine simultaneously, under the effect of high shear, block copolymer are fully dissolved, obtain the copolymer solution that concentration is 25wt%, after filtration, obtain spinning solution after deaeration;
(4) spinning solution polyurethane fiber dry spinning system is produced cladded yarn, after washing, dry, winding, obtain cladded yarn finished product, spin speed for 550m/min when producing cladded yarn finished product, the density of monofilament lines is 9dtex; Then cladded yarn finished product being made into thread count is 520 × 280/10cm
2plain fabric, obtain antiultraviolet polyurethane composite material.
Embodiment 2
Antiultraviolet polyurethane composite material, be made up of the raw material of following parts by weight:
Preparation method is as follows:
(1) DDL-2000, PolyTHF2000 are joined in reactor, be warming up to 100 DEG C of final vacuum dehydration 2h, be then cooled to 30 DEG C, add 4 again, 4`-methyl diphenylene diisocyanate, reacts 3h at 80 DEG C, obtains the performed polymer that NCO content is 4.0wt%;
(2) be warming up to 100 DEG C after DDL-400 and 1,6-hexylene glycol being mixed, after vacuum dehydration 2h, be cooled to 30 DEG C, then mix with performed polymer and react, obtain block copolymer;
(3) by oxolane, N, dinethylformamide and block copolymer are inserted in high speed dissolving machine simultaneously, under the effect of high shear, block copolymer are fully dissolved, obtain the copolymer solution that concentration is 35wt%, after filtration, obtain spinning solution after deaeration;
(4) spinning solution polyurethane fiber dry spinning system is produced cladded yarn, after washing, dry, winding, obtain cladded yarn finished product, spin speed for 500m/min when producing cladded yarn finished product, the density of monofilament lines is 6dtex; Then cladded yarn finished product being made into thread count is 520 × 280/10cm
2plain fabric, obtain antiultraviolet polyurethane composite material.
Claims (10)
1. an antiultraviolet polyurethane composite material, is characterized in that: be made up of the raw material of following parts by weight:
Described polyether polyol A is relative molecular mass is 1000-3000, and degree of functionality is the Polyoxypropylene diol of 2;
Described polyether polyol B is relative molecular mass is 3500-4500, and degree of functionality is the PTMG of 1.5-2.5;
Described polyether polyol C is relative molecular mass is 100-350, and degree of functionality is the Polyoxypropylene diol of 2.
2. antiultraviolet polyurethane composite material according to claim 1, is characterized in that: chain extender is 1,6-hexylene glycol.
3. a preparation method for the antiultraviolet polyurethane composite material described in claim 1 or 2, is characterized in that: comprise the following steps:
(1) polyether polyol A, polyether polyol B are joined in reactor and heat up, lower the temperature after vacuum dehydration, then add 4,4`-methyl diphenylene diisocyanate and react, obtain performed polymer;
(2) polyether polyol C is mixed rear intensification with chain extender, lower the temperature after vacuum dehydration, then mix with performed polymer and react, obtain block copolymer;
(3) oxolane, DMF and block copolymer are inserted in dissolving machine simultaneously, under the effect of shearing force, block copolymer is fully dissolved, obtains copolymer solution, after filtration, obtain spinning solution after deaeration;
(4) spinning solution polyurethane fiber dry spinning system is produced cladded yarn, after washing, drying, winding, obtain cladded yarn finished product, be then made into plain fabric, obtain antiultraviolet polyurethane composite material.
4. the preparation method of antiultraviolet polyurethane composite material according to claim 3, is characterized in that: in step (1), warming temperature is 100-120 DEG C, and the vacuum dehydration time is 2-2.5h; Cooling temperature is 30-50 DEG C.
5. the preparation method of antiultraviolet polyurethane composite material according to claim 3, is characterized in that: in step (1), reaction temperature is 80-95 DEG C, and the reaction time is 3-3.5h.
6. the preparation method of antiultraviolet polyurethane composite material according to claim 3, is characterized in that: in the performed polymer of step (1), the content of NCO is 2.0-4.0wt%.
7. the preparation method of antiultraviolet polyurethane composite material according to claim 3, is characterized in that: in step (2), warming temperature is 100-110 DEG C, and the vacuum dehydration time is 1.5-2h; Cooling temperature is 30-50 DEG C.
8. the preparation method of antiultraviolet polyurethane composite material according to claim 3, is characterized in that: in step (2), reaction temperature is 90-100 DEG C, and the reaction time is 0.5-1h.
9. the preparation method of antiultraviolet polyurethane composite material according to claim 3, is characterized in that: in step (3), the concentration of copolymer solution is 25-35wt%.
10. the preparation method of antiultraviolet polyurethane composite material according to claim 3, it is characterized in that: the speed of spinning when producing cladded yarn by polyurethane fiber dry spinning system in step (4) is 500-550m/min, and the density of monofilament lines is 6-9dtex; The thread count of plain fabric is 520 × 280/10cm
2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510780623.XA CN105239187A (en) | 2015-11-13 | 2015-11-13 | Ultraviolet-proof polyurethane compound fabric and preparation method thereof |
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| CN201510780623.XA CN105239187A (en) | 2015-11-13 | 2015-11-13 | Ultraviolet-proof polyurethane compound fabric and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283257A (en) * | 2016-08-14 | 2017-01-04 | 张天奇 | A kind of uvioresistant fiber fabric |
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| CN1654720A (en) * | 2005-01-25 | 2005-08-17 | 浙江华峰氨纶股份有限公司 | High transparency bright spandex yarn and its preparation method |
| CN101096778A (en) * | 2007-07-06 | 2008-01-02 | 烟台氨纶股份有限公司 | Process for producing polyether type comfortable spandex fibre |
| CN100567604C (en) * | 2002-12-12 | 2009-12-09 | 日清纺织株式会社 | The blend woven or knit goods and the production method thereof that contain polyurethane elastomeric fiber |
| CN102250308A (en) * | 2011-06-03 | 2011-11-23 | 黎明化工研究院 | Polyurethane elastomer composite and preparation method of transparent elastomer thereof |
| CN103467974A (en) * | 2013-09-06 | 2013-12-25 | 重庆杰博科技有限公司 | Enhanced polyurethane microcellular elastomer composite material and preparation method thereof |
-
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- 2015-11-13 CN CN201510780623.XA patent/CN105239187A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100567604C (en) * | 2002-12-12 | 2009-12-09 | 日清纺织株式会社 | The blend woven or knit goods and the production method thereof that contain polyurethane elastomeric fiber |
| CN1654720A (en) * | 2005-01-25 | 2005-08-17 | 浙江华峰氨纶股份有限公司 | High transparency bright spandex yarn and its preparation method |
| CN101096778A (en) * | 2007-07-06 | 2008-01-02 | 烟台氨纶股份有限公司 | Process for producing polyether type comfortable spandex fibre |
| CN102250308A (en) * | 2011-06-03 | 2011-11-23 | 黎明化工研究院 | Polyurethane elastomer composite and preparation method of transparent elastomer thereof |
| CN103467974A (en) * | 2013-09-06 | 2013-12-25 | 重庆杰博科技有限公司 | Enhanced polyurethane microcellular elastomer composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283257A (en) * | 2016-08-14 | 2017-01-04 | 张天奇 | A kind of uvioresistant fiber fabric |
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Application publication date: 20160113 |